Welcome Hearth.com Guests and Visitors - Please enjoy our forums!
Hearth.com GOLD Sponsors who help bring the site content to you:
Hearth and Home Technology (QuadraFire and Harman Stoves)
Hearthstone Soapstone and Cast-Iron stoves( Wood, Gas or Pellet Stoves and Inserts)
Caluwe - Passion for Fire and Water ( Pellet and Wood Hydronic and Space Heating)
An early stove model which used downdraft technology for a relatively clean burn.
For information on similar stoves, see Downdraft Stove Operation
PDF File here -
Unit claimed patent # as follows (google patent link)